now the question is, who will replace pope benedict xvi. a report from the vatican. >> pope benedict xvi stunned the vatican saying he no longer has the strength to do the job. the 85-year-old says he will step down at the end of the month becoming the first pope to resign in 600 years. church leaders express their sadness. >> it's like watching your own dad get old and admit that he's not up to all the duties that being the head of the family involves. >> the news quickly spread through saint peters square. >> i hope the next pope can be better than this one. >> pope benedict became head of the catholic church in 2005 succeeding pope john paul, ii. he talked the priest scandal. some say he didn't go far enough. >> he wasn't ever as popular as the other popes. there are a lot of question marks over the way he dealt with the sex scandal. >> this is a historic moment for the church. they will gather to replace a living hope. there are several contenders but no clear front runner. >> who among the people has the qualifications characteristics